> Log Message:
> initialize ci->ci_schedstate.spc_mutex of APs.
> (sched_rqinit is called before APs are attached.)
Thanks for doing this :)

Since we do not involve idle LWPs into the scheduler, and initialization of
idle LWP will not touch spc_mutex - why do you want to call sched_cpuattach()
before create_idle_lwp()?

-- 
Best regards,
Mindaugas
www.NetBSD.org